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Drug Interactions between obeticholic acid and Verv

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

caffeine obeticholic acid

Applies to: Verv (caffeine) and obeticholic acid

MONITOR: Coadministration with obeticholic acid may increase the plasma concentrations of drugs that are substrates of the CYP450 1A2 isoenzyme. The mechanism is decreased clearance due to inhibition of CYP450 1A2 activity by obeticholic acid and its glycine and taurine conjugates. When a single 200 mg dose of caffeine (a probe CYP450 1A2 substrate) was administered with obeticholic acid 10 mg once daily, caffeine peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 6% and 42%, respectively.

MANAGEMENT: Caution is advised when obeticholic acid is prescribed with drugs that undergo metabolism by CYP450 1A2, particularly those with a narrow therapeutic range such as theophylline or tizanidine. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever obeticholic acid is added to or withdrawn from therapy.

References

  1. "Product Information. Ocaliva (obeticholic acid)." Intercept Pharmaceuticals, Inc. (2016):

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Drug and food interactions

Minor

caffeine food

Applies to: Verv (caffeine)

The effect of grapefruit juice on the pharmacologic activity of caffeine is controversial. One report suggests that grapefruit juice increases the effect of caffeine. The proposed mechanism is inhibition of cytochrome P-450 metabolism of caffeine. However, a well-conducted pharmacokinetic/pharmacodynamic study did not demonstrate this effect. The clinical significance of this potential interaction is unknown.

References

  1. "Grapefruit juice interactions with drugs." Med Lett Drugs Ther 37 (1995): 73-4
  2. Maish WA, Hampton EM, Whitsett TL, Shepard JD, Lovallo WR "Influence of grapefruit juice on caffeine pharmacokinetics and pharmacodynamics." Pharmacotherapy 16 (1996): 1046-52

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Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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